#!/usr/bin/python3
#运算符
num = 1
print("num = 1")
num += 2
print("num += 2 :",num)
num -= 1
print("num -= 1 :",num)
num *= 3
print("num *= 3 :",num)
num /= 5
print("num /= 5 :",num)
num1 = 9
num1 %= 6
print("num1 %= 6 :",num1)
num1 **=2
print("num1 **= 2 :",num1) ##求平方赋值
num1 //= 2
print("num //= 2 :",num1)  ##求整除赋值
